* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: #f8f9fa;
    color: #333;
}

.header {
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    color: #fff;
    text-align: center;
    padding: 70px 20px;
}

.header h1 {
    font-size: 42px;
    margin-bottom: 10px;
}

.header p {
    font-size: 18px;
    margin-bottom: 25px;
}

.btn-primary {
    background: #fff;
    color: #4e54c8;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
}

section {
    padding: 60px 20px;
    text-align: center;
}

.screenshots .image-grid {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.screenshots img {
    width: 260px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.features .feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
    max-width: 900px;
    margin: auto;
}

.feature-box {
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    font-weight: 600;
}

.about p {
    max-width: 800px;
    margin: auto;
    font-size: 16px;
    line-height: 1.6;
}

.download img {
    width: 220px;
    margin-top: 15px;
}

.footer {
    background: #222;
    color: #ccc;
    padding: 30px 20px;
}

.footer-links a {
    color: #ccc;
    margin: 0 10px;
    text-decoration: none;
    font-size: 14px;
}